Curious what's new in Windows Phone 7.1Mango? Microsoft has just released a series of videos where the people behind Windows Phone Mango explain the one or the other new feature they were responsible for. For instance there's an interview with Microsoft's Program Manager who was in charge for the new E-Mail conversation view. Furthermore it's demonstrated how easy it is to keep the Windows Phone Mango Inbox organized without the effort. Or the interview with the Program Manager responsible for linked Inboxes and the idea behind it, who shows how easy it is to retrieve E-Mails and link multiple Inboxes, plus other exciting changes made to the E-Mail experience.

Furthermore, the interviews features an interview with the Program Manager responsible for Groups who shows one of the most-talked features on the new Windows Phone that keeps friends and conversations together. Also we have an interview with the Program Manager responsible for the People Hub who shows a demo of the updates designed to help users to focus on the people they care about most.And last but not least the interview with Microsoft's Program Manager responsible for social notifications and filtering who shows us how easily the latest Windows Phone streamlines the Facebook, Twitter, LinkedIn and Windows Live news feed experience.